Chemistry-
General
Easy
Question
A compound alloy of gold and copper crystallizes in a cube lattice in which the gold atoms occupy the corners of a cube and the copper atoms occupy the centres of each of the cube faces. The formula of this compound is-
- AuCu
- AuCu2
- AuCu3
- None
The correct answer is: AuCu3
One-eighthofeachcorneratom(Au)andone- half of each face-centered atom (Cu) are contained withintheunit cellofthecompound. Thus, the number ofAu atoms per unit cell
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